java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label45_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 12:50:19,019 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 12:50:19,021 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 12:50:19,043 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 12:50:19,043 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 12:50:19,047 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 12:50:19,049 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 12:50:19,052 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 12:50:19,055 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 12:50:19,058 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 12:50:19,059 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 12:50:19,062 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 12:50:19,064 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 12:50:19,068 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 12:50:19,069 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 12:50:19,070 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 12:50:19,071 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 12:50:19,076 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 12:50:19,078 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 12:50:19,079 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 12:50:19,080 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 12:50:19,081 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 12:50:19,083 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-10 12:50:19,084 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-10 12:50:19,084 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-10 12:50:19,085 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-10 12:50:19,085 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-10 12:50:19,086 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-10 12:50:19,087 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-10 12:50:19,088 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-10 12:50:19,088 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-10 12:50:19,089 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-10 12:50:19,089 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-10 12:50:19,090 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-10 12:50:19,092 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-10 12:50:19,094 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-10 12:50:19,094 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-10 12:50:19,119 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 12:50:19,121 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 12:50:19,124 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 12:50:19,124 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 12:50:19,124 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 12:50:19,125 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 12:50:19,125 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 12:50:19,125 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 12:50:19,125 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 12:50:19,125 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 12:50:19,126 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 12:50:19,127 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 12:50:19,127 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 12:50:19,127 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 12:50:19,127 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 12:50:19,128 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 12:50:19,128 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 12:50:19,128 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 12:50:19,130 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 12:50:19,130 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 12:50:19,130 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 12:50:19,130 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 12:50:19,131 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 12:50:19,131 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 12:50:19,131 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 12:50:19,131 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 12:50:19,132 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 12:50:19,132 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 12:50:19,132 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 12:50:19,133 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 12:50:19,133 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 12:50:19,133 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 12:50:19,133 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 12:50:19,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 12:50:19,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 12:50:19,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 12:50:19,202 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 12:50:19,203 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 12:50:19,204 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label45_true-unreach-call.c [2018-09-10 12:50:19,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50878abbc/9e5662d2c6e44ded853bb0edd608dae7/FLAGa809e5dbd [2018-09-10 12:50:20,176 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 12:50:20,177 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label45_true-unreach-call.c [2018-09-10 12:50:20,221 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50878abbc/9e5662d2c6e44ded853bb0edd608dae7/FLAGa809e5dbd [2018-09-10 12:50:20,239 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50878abbc/9e5662d2c6e44ded853bb0edd608dae7 [2018-09-10 12:50:20,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 12:50:20,258 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 12:50:20,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 12:50:20,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 12:50:20,267 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 12:50:20,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:50:20" (1/1) ... [2018-09-10 12:50:20,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4554d60d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:50:20, skipping insertion in model container [2018-09-10 12:50:20,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:50:20" (1/1) ... [2018-09-10 12:50:20,735 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 12:50:22,509 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:50:22,527 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 12:50:23,805 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:50:24,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:50:24 WrapperNode [2018-09-10 12:50:24,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 12:50:24,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 12:50:24,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 12:50:24,634 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 12:50:24,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:50:24" (1/1) ... [2018-09-10 12:50:24,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:50:24" (1/1) ... [2018-09-10 12:50:24,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 12:50:24,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 12:50:24,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 12:50:24,964 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 12:50:26,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:50:24" (1/1) ... [2018-09-10 12:50:26,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:50:24" (1/1) ... [2018-09-10 12:50:26,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:50:24" (1/1) ... [2018-09-10 12:50:26,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:50:24" (1/1) ... [2018-09-10 12:50:26,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:50:24" (1/1) ... [2018-09-10 12:50:26,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:50:24" (1/1) ... [2018-09-10 12:50:26,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:50:24" (1/1) ... [2018-09-10 12:50:26,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 12:50:26,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 12:50:26,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 12:50:26,745 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 12:50:26,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:50:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 12:50:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 12:50:26,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 12:50:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-09-10 12:50:26,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-09-10 12:50:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-09-10 12:50:26,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-09-10 12:50:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-09-10 12:50:26,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-09-10 12:50:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-09-10 12:50:26,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-09-10 12:50:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 12:50:26,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 12:50:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-09-10 12:50:26,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-09-10 12:50:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 12:50:26,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 12:50:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-09-10 12:50:26,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-09-10 12:50:46,299 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 12:50:46,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:50:46 BoogieIcfgContainer [2018-09-10 12:50:46,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 12:50:46,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 12:50:46,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 12:50:46,305 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 12:50:46,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 12:50:20" (1/3) ... [2018-09-10 12:50:46,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9fb34d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:50:46, skipping insertion in model container [2018-09-10 12:50:46,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:50:24" (2/3) ... [2018-09-10 12:50:46,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9fb34d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:50:46, skipping insertion in model container [2018-09-10 12:50:46,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:50:46" (3/3) ... [2018-09-10 12:50:46,309 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label45_true-unreach-call.c [2018-09-10 12:50:46,317 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 12:50:46,326 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 12:50:46,395 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 12:50:46,396 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 12:50:46,396 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 12:50:46,396 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 12:50:46,396 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 12:50:46,396 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 12:50:46,396 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 12:50:46,397 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 12:50:46,397 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 12:50:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-10 12:50:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-10 12:50:46,465 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:50:46,466 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:50:46,467 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:50:46,473 INFO L82 PathProgramCache]: Analyzing trace with hash 166097318, now seen corresponding path program 1 times [2018-09-10 12:50:46,476 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:50:46,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:50:46,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:50:46,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:50:46,526 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:50:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:50:47,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:50:47,005 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:50:47,006 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-10 12:50:47,006 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:50:47,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 12:50:47,029 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 12:50:47,029 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-10 12:50:47,032 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-10 12:51:05,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:51:05,543 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-09-10 12:51:05,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 12:51:05,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-09-10 12:51:05,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:51:05,596 INFO L225 Difference]: With dead ends: 4998 [2018-09-10 12:51:05,596 INFO L226 Difference]: Without dead ends: 3218 [2018-09-10 12:51:05,611 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-10 12:51:05,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-09-10 12:51:05,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-09-10 12:51:05,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-09-10 12:51:05,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-09-10 12:51:05,829 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 54 [2018-09-10 12:51:05,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:51:05,831 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-09-10 12:51:05,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 12:51:05,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-09-10 12:51:05,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-10 12:51:05,839 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:51:05,840 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:51:05,840 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:51:05,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1827221797, now seen corresponding path program 1 times [2018-09-10 12:51:05,841 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:51:05,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:51:05,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:51:05,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:51:05,842 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:51:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:51:06,436 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:51:06,437 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:51:06,437 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-10 12:51:06,437 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:51:06,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:51:06,439 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:51:06,439 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-10 12:51:06,440 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-09-10 12:51:41,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:51:41,829 INFO L93 Difference]: Finished difference Result 9683 states and 17692 transitions. [2018-09-10 12:51:41,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 12:51:41,831 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-09-10 12:51:41,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:51:41,877 INFO L225 Difference]: With dead ends: 9683 [2018-09-10 12:51:41,878 INFO L226 Difference]: Without dead ends: 6474 [2018-09-10 12:51:41,889 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-10 12:51:41,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6474 states. [2018-09-10 12:51:42,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6474 to 6371. [2018-09-10 12:51:42,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6371 states. [2018-09-10 12:51:42,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6371 states to 6371 states and 9959 transitions. [2018-09-10 12:51:42,100 INFO L78 Accepts]: Start accepts. Automaton has 6371 states and 9959 transitions. Word has length 126 [2018-09-10 12:51:42,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:51:42,104 INFO L480 AbstractCegarLoop]: Abstraction has 6371 states and 9959 transitions. [2018-09-10 12:51:42,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 12:51:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 6371 states and 9959 transitions. [2018-09-10 12:51:42,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-10 12:51:42,120 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:51:42,120 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:51:42,121 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:51:42,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1660505808, now seen corresponding path program 1 times [2018-09-10 12:51:42,121 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:51:42,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:51:42,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:51:42,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:51:42,125 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:51:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:51:42,478 WARN L175 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 12:51:42,548 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:51:42,549 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:51:42,549 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-10 12:51:42,549 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:51:42,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:51:42,550 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:51:42,550 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-10 12:51:42,550 INFO L87 Difference]: Start difference. First operand 6371 states and 9959 transitions. Second operand 6 states. [2018-09-10 12:52:11,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:52:11,332 INFO L93 Difference]: Finished difference Result 24582 states and 39595 transitions. [2018-09-10 12:52:11,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 12:52:11,335 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-09-10 12:52:11,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:52:11,437 INFO L225 Difference]: With dead ends: 24582 [2018-09-10 12:52:11,437 INFO L226 Difference]: Without dead ends: 18217 [2018-09-10 12:52:11,467 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-10 12:52:11,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18217 states. [2018-09-10 12:52:11,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18217 to 18003. [2018-09-10 12:52:11,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18003 states. [2018-09-10 12:52:11,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18003 states to 18003 states and 26559 transitions. [2018-09-10 12:52:11,906 INFO L78 Accepts]: Start accepts. Automaton has 18003 states and 26559 transitions. Word has length 128 [2018-09-10 12:52:11,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:52:11,906 INFO L480 AbstractCegarLoop]: Abstraction has 18003 states and 26559 transitions. [2018-09-10 12:52:11,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 12:52:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 18003 states and 26559 transitions. [2018-09-10 12:52:11,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-09-10 12:52:11,913 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:52:11,917 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:52:11,917 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:52:11,918 INFO L82 PathProgramCache]: Analyzing trace with hash 6608919, now seen corresponding path program 1 times [2018-09-10 12:52:11,918 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:52:11,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:52:11,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:52:11,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:52:11,919 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:52:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:52:12,660 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:52:12,660 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:52:12,660 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-10 12:52:12,661 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:52:12,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-10 12:52:12,662 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-10 12:52:12,662 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-09-10 12:52:12,662 INFO L87 Difference]: Start difference. First operand 18003 states and 26559 transitions. Second operand 7 states. [2018-09-10 12:52:59,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:52:59,594 INFO L93 Difference]: Finished difference Result 72479 states and 117313 transitions. [2018-09-10 12:52:59,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-10 12:52:59,595 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 178 [2018-09-10 12:52:59,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:52:59,830 INFO L225 Difference]: With dead ends: 72479 [2018-09-10 12:52:59,830 INFO L226 Difference]: Without dead ends: 54482 [2018-09-10 12:52:59,952 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-09-10 12:53:00,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54482 states. [2018-09-10 12:53:01,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54482 to 54080. [2018-09-10 12:53:01,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54080 states. [2018-09-10 12:53:01,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54080 states to 54080 states and 76385 transitions. [2018-09-10 12:53:01,243 INFO L78 Accepts]: Start accepts. Automaton has 54080 states and 76385 transitions. Word has length 178 [2018-09-10 12:53:01,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:53:01,243 INFO L480 AbstractCegarLoop]: Abstraction has 54080 states and 76385 transitions. [2018-09-10 12:53:01,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-10 12:53:01,244 INFO L276 IsEmpty]: Start isEmpty. Operand 54080 states and 76385 transitions. [2018-09-10 12:53:01,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-09-10 12:53:01,250 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:53:01,251 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:53:01,251 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:53:01,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1678348702, now seen corresponding path program 1 times [2018-09-10 12:53:01,251 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:53:01,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:53:01,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:53:01,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:53:01,253 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:53:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:53:01,571 WARN L175 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 12:53:01,971 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:53:01,972 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:53:01,972 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-10 12:53:01,972 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:53:01,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:53:01,973 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:53:01,973 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-10 12:53:01,973 INFO L87 Difference]: Start difference. First operand 54080 states and 76385 transitions. Second operand 6 states. [2018-09-10 12:53:30,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:53:30,098 INFO L93 Difference]: Finished difference Result 146388 states and 225520 transitions. [2018-09-10 12:53:30,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 12:53:30,099 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2018-09-10 12:53:30,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:53:30,446 INFO L225 Difference]: With dead ends: 146388 [2018-09-10 12:53:30,446 INFO L226 Difference]: Without dead ends: 92314 [2018-09-10 12:53:30,584 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-10 12:53:30,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92314 states. [2018-09-10 12:53:32,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92314 to 91568. [2018-09-10 12:53:32,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91568 states. [2018-09-10 12:53:32,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91568 states to 91568 states and 131634 transitions. [2018-09-10 12:53:32,545 INFO L78 Accepts]: Start accepts. Automaton has 91568 states and 131634 transitions. Word has length 187 [2018-09-10 12:53:32,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:53:32,545 INFO L480 AbstractCegarLoop]: Abstraction has 91568 states and 131634 transitions. [2018-09-10 12:53:32,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 12:53:32,545 INFO L276 IsEmpty]: Start isEmpty. Operand 91568 states and 131634 transitions. [2018-09-10 12:53:32,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-09-10 12:53:32,555 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:53:32,555 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:53:32,555 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:53:32,556 INFO L82 PathProgramCache]: Analyzing trace with hash -2092368741, now seen corresponding path program 1 times [2018-09-10 12:53:32,556 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:53:32,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:53:32,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:53:32,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:53:32,557 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:53:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:53:32,890 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 94 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 12:53:32,891 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:53:32,891 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:53:32,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:53:32,900 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:53:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:53:33,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:53:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-09-10 12:53:33,120 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:53:33,282 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-09-10 12:53:33,315 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 12:53:33,315 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 7 [2018-09-10 12:53:33,316 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:53:33,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 12:53:33,316 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 12:53:33,317 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-09-10 12:53:33,317 INFO L87 Difference]: Start difference. First operand 91568 states and 131634 transitions. Second operand 3 states. [2018-09-10 12:53:52,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:53:52,292 INFO L93 Difference]: Finished difference Result 211908 states and 320228 transitions. [2018-09-10 12:53:52,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 12:53:52,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2018-09-10 12:53:52,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:53:52,945 INFO L225 Difference]: With dead ends: 211908 [2018-09-10 12:53:52,946 INFO L226 Difference]: Without dead ends: 120346 [2018-09-10 12:53:53,195 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-09-10 12:53:53,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120346 states. [2018-09-10 12:53:56,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120346 to 120292. [2018-09-10 12:53:56,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120292 states. [2018-09-10 12:53:56,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120292 states to 120292 states and 171887 transitions. [2018-09-10 12:53:56,940 INFO L78 Accepts]: Start accepts. Automaton has 120292 states and 171887 transitions. Word has length 214 [2018-09-10 12:53:56,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:53:56,941 INFO L480 AbstractCegarLoop]: Abstraction has 120292 states and 171887 transitions. [2018-09-10 12:53:56,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 12:53:56,941 INFO L276 IsEmpty]: Start isEmpty. Operand 120292 states and 171887 transitions. [2018-09-10 12:53:56,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-09-10 12:53:56,951 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:53:56,951 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:53:56,951 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:53:56,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1863886526, now seen corresponding path program 1 times [2018-09-10 12:53:56,952 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:53:56,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:53:56,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:53:56,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:53:56,953 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:53:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:53:57,238 WARN L175 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 12:53:57,659 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 94 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 12:53:57,659 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:53:57,659 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:53:57,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:53:57,676 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:53:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:53:57,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:53:57,953 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-10 12:53:57,954 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:53:58,315 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-10 12:53:58,350 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-10 12:53:58,350 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-09-10 12:53:58,350 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:53:58,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 12:53:58,351 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 12:53:58,352 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-10 12:53:58,352 INFO L87 Difference]: Start difference. First operand 120292 states and 171887 transitions. Second operand 3 states. [2018-09-10 12:54:13,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:54:13,149 INFO L93 Difference]: Finished difference Result 269822 states and 402933 transitions. [2018-09-10 12:54:13,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 12:54:13,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2018-09-10 12:54:13,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. Received shutdown request... [2018-09-10 12:54:13,651 INFO L225 Difference]: With dead ends: 269822 [2018-09-10 12:54:13,651 INFO L226 Difference]: Without dead ends: 149536 [2018-09-10 12:54:13,859 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 449 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-10 12:54:13,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149536 states. [2018-09-10 12:54:13,987 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-10 12:54:13,991 WARN L206 ceAbstractionStarter]: Timeout [2018-09-10 12:54:13,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 12:54:13 BoogieIcfgContainer [2018-09-10 12:54:13,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-10 12:54:13,993 INFO L168 Benchmark]: Toolchain (without parser) took 233739.80 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 222.0 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-09-10 12:54:13,994 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 12:54:13,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4373.78 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 243.3 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -169.5 MB). Peak memory consumption was 478.5 MB. Max. memory is 7.1 GB. [2018-09-10 12:54:13,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 330.09 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 7.1 GB. [2018-09-10 12:54:13,996 INFO L168 Benchmark]: Boogie Preprocessor took 1781.06 ms. Allocated memory was 1.8 GB in the beginning and 2.6 GB in the end (delta: 804.8 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -838.4 MB). Peak memory consumption was 127.0 MB. Max. memory is 7.1 GB. [2018-09-10 12:54:13,997 INFO L168 Benchmark]: RCFGBuilder took 19555.82 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 343.4 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 184.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-10 12:54:13,998 INFO L168 Benchmark]: TraceAbstraction took 207690.61 ms. Allocated memory was 2.9 GB in the beginning and 3.3 GB in the end (delta: 425.2 MB). Free memory was 2.1 GB in the beginning and 1.2 GB in the end (delta: 979.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-10 12:54:14,005 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4373.78 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 243.3 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -169.5 MB). Peak memory consumption was 478.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 330.09 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1781.06 ms. Allocated memory was 1.8 GB in the beginning and 2.6 GB in the end (delta: 804.8 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -838.4 MB). Peak memory consumption was 127.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 19555.82 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 343.4 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 184.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 207690.61 ms. Allocated memory was 2.9 GB in the beginning and 3.3 GB in the end (delta: 425.2 MB). Free memory was 2.1 GB in the beginning and 1.2 GB in the end (delta: 979.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 157]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 157). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 207.6s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 194.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8106 SDtfs, 39573 SDslu, 4485 SDs, 0 SdLazy, 63058 SolverSat, 20461 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 166.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 935 GetRequests, 890 SyntacticMatches, 5 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120292occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 7.9s AutomataMinimizationTime, 7 MinimizatonAttempts, 1522 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 1551 NumberOfCodeBlocks, 1551 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1979 ConstructedInterpolants, 0 QuantifiedInterpolants, 1003267 SizeOfPredicates, 1 NumberOfNonLiveVariables, 868 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 1040/1172 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label45_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_12-54-14-025.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label45_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-10_12-54-14-025.csv Completed graceful shutdown